A1. Absence Of Anti-pig Antibodies In Human Neonates And Infants: Relevance To Cardiac Xenotransplantation For Complex Congenital Abnormalities
Hara Hidetaka, David Cooper, Santiago Borasino, David Mauchley, Robert J. Dabal, Luz Padilla, David Cleveland
University of Alabama at Birmingham, Birmingham, AL

Discussant: Anees J. Razzouk

A2. Design Of A Cavopulmonary Assist Device Using Computational And Experimental Models
W.C. Patrick Lin¹, Jonathan Adams¹, Elyar Abbasi Bavil¹, Gabrielle Sebaldt¹, Matthew G. Doyle¹, S Lucy Roche², Thomas L. Forbes³, Cristina H. Amon⁴, Osami Honjo^5
1Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada, ²Division of Medicine, University of Toronto, Toronto, ON, Canada, ³Division of Vascular Surgery, Peter Munk Cardiac Centre & University of Toronto, Toronto, ON, Canada, ⁴Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, Canada, ⁵Labatt Family Heart Centre, The Hospital for Sick Children, & Department of Surgery, University of Toronto, Toronto, ON, Canada

Discussant: Mark D. Rodefeld

A3. Mechanical Maturation of 3D-Printed Human Induced Pluripotent Stem Cell Derived Cardiomyocytes*
Cecillia Lui, MD, Yang Bai, MD, Enoch Yeung, MD, Seungman Park, PhD, Yun Chen, PhD, Chulan Kwon, MS, PhD, Gordon Tomaselli, MD, Gordon Tomaselli, MD, Luca A. Vricella, MD FACS, Narutoshi Hibino, MD
Johns Hopkins Hospital, Baltimore, MD

Discussant: Sunjay Kaushal

A4. Stented Bovine Jugular Venous Valve (melody Valve) For Hybrid Surgical Mitral And Tricuspid Valve Replacement In Infants And Children: Perioperative And Midterm Outcomes
Ali Ibrahimiye, Ashway House, Joby Varghese, Chris Curzon, Jeffrey Delaney, James Hammel
Childrens Hospital and Medical Center Omaha, Omaha, NE

A5. Mitral Valve Replacement in Infants using a 15-mm Mechanical Valve
Osama M. Eltayeb, MD, William J. Readdy, Michael C. Monge, MD, Joseph M. Forbess, MD, Anne E. Sarwark, MSc, Carl L. Backer, MD
Ann & Robert H Lurie Childrens Hospital of Chicago, Chicago, IL

A6. Comparative Outcomes of Pediatric Melody Valve and Mechanical Valve Replacement in the Mitral Position
Anna Olds, BS, Brigitte Kazzi, Matthew Liava'a, MD, Matthew A. Crystal, MD, Alejandro Torres, MD, Damien LaPar, MD, Paul Chai, MD, Emile Bacha, MD, David Kalfa, MD, PhD
Columbia University Medical Center - NY Presbyterian Hospital, New York, NY

Discussant: Christopher A. Caldarone

Virtual Reality: Inspection Before the Operation (Good bye 3D Printing!)
Matthew T. Bramlet, MD
Congenital Heart Center, Peoria, IL

A7. The World Database For Pediatric And Congenital Heart Surgery (wdpchs): An International Quality Improvement Tool
James D. St. Louis, MD¹, Sandre F. McNeal, MPH², Jeffrey P. Jacobs, MD³, Jorge L. Cervantes, MD⁴, Nestor F. Sandoval, MD⁵, Krishna S. Iyer, MD⁶, Jagannath BR, MD⁷, Richard A. Jonas, MD⁸, Marshall L. Jacobs, MD⁹, Christo I. Tchervenkov, MD¹⁰, James K. Kirklin, MD¹¹.
¹Children Mercy Hospital, Kansas City, MO, USA, ²University of Alabama-Birmingham, Birmingham, AL, USA, ³Johns Hopkins All Children's Hospital, St Petersburg, FL, USA, ⁴Instituto Nacional de Cariologia, Mexico City, Mexico, ⁵Cirugia Cardiovascular, Bogota, Colombia, ⁶Fortis-Escorts Heart Institute, New Delhi, India, ⁷Star Hospital, Hyderabad, India, ⁸Children's National Health System, Washington, DC, USA, ⁹Johns Hopkins University, Balitmore, MD, USA, ¹⁰Montreal Children's Hospital, Montreal, QC, Canada, ¹¹University of Alabama, Birmingham, AL, USA

Discussant: John E. Mayer

A8. A Novel Swine Surgical Simulation Model For Teaching The Norwood Procedure*
Constantine D. Mavroudis, MD, MSc¹, Constantine Mavroudis, MD^2
1Hospital of the University of Pennsylvania, Philadelphia, PA, ²Florida Hospital for Children, Orlando, FL

Discussant: Peter B. Manning

A9. Characterization of ECMO Support for Single-Ventricle Patients
Elizabeth H. Stephens, Aqsa Shakoor, MD, Shimon E. Jacobs, MD, Shunpei Okochi, MD, Ariela Zenilman, MD, William Middlesworth, MD, Damien J. LaPar, MS, MD, Paul Chai, MD, David Kalfa, MD, PhD, Emile Bacha, MD, Eva W. Cheung, MD
Columbia University, New York, NY

Discussant: Henry L. Walters, III

A10. Hepatic vein to Azygos vein Connection in a Patient with Left Isomerism*
Elisabeth Martin, Osami Honjo
Sick Kids Hospital, Toronto, ON, Canada

Discussant: Ronald K. Woods

A11. Pulmonary Valve Replacement in Congenital Heart Disease - A Performance Comparison of the Supported vs. Unsupported Bovine Jugular Vein Conduit
Erin T. Lueth, MD, Dale A. Burkett, MD, Bruce F. Landeck, MD, John T. Brinton, PhD, Maxene R. Meier, BS, Michal Schafer, PhD, Jessica M. Coffin, Katja M. Gist, DO, Max B. Mitchell, MD
Children's Hospital Colorado, Aurora, CO

Discussant: John W. Brown

V1. Modified Yasui Operation With Cryopreserved Femoral Vein Homograft For Correction Of Type-b Interrupted Aortic Arch With Ventricular Septal Defect And Aberrant Right Subclavian Artery
Manan Desai, Karthik Vaidyanathan Ramakrishnan, Richard Jonas
Children's National Medical Center, Washington, DC

V2. Aortic Valve Replacement in Children using a Pulmonary Autograft: How I Teach the Ross Procedure
Amanda R. Stram, MD, Jeremy L. Herrmann, MD, John W. Brown, MD
Indiana University School of Medicine, Indianapolis, IN

V3. Technique of the Reinforced Ross Procedure
Ashok Muralidaran, Irving Shen
Oregon Health & Science University, Portland, OR

V4. How I repair Neonatal Total Anomalous Pulmonary Venous Connection (TAPVC) using Mild Hypothermic (32c) Full Flow CPB
Richard Gates, MD, JoAnne Starr, MD
CHOC Children's, Orange, CA

V5. Novel Suture Technique for Slide Tracheoplasty for the Treatment of Long-Segment Tracheal Stenosis
Reilly D. Hobbs, MD, MBS, Jiyong Moon, MD, John Murala, MD, Richard G. Ohye, MD
University of Michigan, Ann Arbor, MI

V6. Transmediastinal Resection of Kommerell Diverticulum with Left Subclavian Artery Transfer to the Left Carotid Artery
Osama M. Eltayeb, MD, Michael C. Monge, MD, Andrada R. Popescu, MD, Carl L. Backer, MD
Ann & Robert H Lurie Childrens Hospital of Chicago, Chicago, IL

P1. Gene Silencing - A Strategy for Anticoagulation during Mechanical Circulatory Support
James Tweddell, MD, Kyle W. Riggs, MD, Leah Rosenfeldt, BS, Richard S. Baker, BS, James Reagor, MS, Farhan Zafar, MD, Joseph Palumbo, MD
Cincinnati Children's Hospital, Cincinnati, OH

P2. How I do It: Autologous Bone Marrow Cell Delivery at Surgical Repair of Ebstein Anomaly*
Kimberly Holst, MD, Joseph Dearani, MD, M. Yasir Qureshi, MBBS, Patrick O'Leary, MD, Bryan Cannon, MD, Philip Wackel, MD, Timothy Olson, MD, Timothy Nelson, MD, PhD
Mayo Clinic, Rochester, MN

P3. Vocal Fold Immobility after Pediatric Cardiac Operations
Jennifer M. Barr, DNP, Henry A. Milczuk, MD, Irving Shen, MD, Ashok Muralidaran, MD
Oregon Health & Science University, Portland, OR

P4. Long-term Surgical Prognosis of Primary Supravalvular Aortic Stenosis Repair
Fei-Yi Wu, MD, Abhijit Mondal, Ph.D, Pedro J. del Nido, MD, Kimberlee Gauvreau, Sitaram M. Emani, MD, Christopher W. Baird, MD, Aditya K. Kaza, MD
Boston Children's Hospital, Boston, MA

P5. Valve Pathology Influences Repair Outcome and Survival for Congenital Mitral Stenosis
Shuhua Luo¹, Lynne E. Nield², Maruti Haranal¹, Juan Contreras¹, Kasey Moss¹, Steve Fan³, Christopher Caldarone¹, Glen S. Van Arsdell¹, Osami Honjo^1
1Cardiovascualr surgery Hospital for Sick Children, Toronto, ON, Canada, ²Cardiology Hospital for Sick Children, Toronto, ON, Canada, ³Hospital for Sick Children, Toronto, ON, Canada

P6. Atypical Left Atrioventricular Valve Affected Surgical Outcome In Children With Incomplete And Transitional Atrioventricular Septal Defect
Yuki Nakayama, Takeshi Shinkawa, Goki Matsumura, Ryougo Hoki, Kei Kobayashi, Satoshi Okugi, Hiroshi Ninami
Tokyo Women's Medical University, 8-1 kawata-cho, shinzyuku, Tokyo, Japan

P7. 3D Models Augment Surgical Decision Making in 200% Double Outlet Right Ventricle with Two Adequate Sized Ventricles
Shuhua Luo, Shi-Joon Yoo, Andreea Dragalescu, Christopher Caldarone, Osami
Honjo, Glen Van Arsdell Hospital for Sick Children, Toronto, ON, Canada

P8. The Congenital Heart Technical Skill Study: Rationale and Design
Brett R. Anderson, MD MBA MS¹, S. Ram Kum, MD PhD², Danielle Gottlieb-Sen, MD MPH MS³, Jane W. Newburger, MD MPH⁴, Kevin D. Hill, MD MS⁵, Francis X. Moga, MD⁶, David M. Overman, MD⁶, Marshall L. Jacobs, MD⁷, Jeffrey P. Jacobs, MD⁸, Sherry A. Glied, PhD⁹, Emile A. Bacha, MD^1
1Columbia University Medical Center, NEW YORK, NY, ²Keck School of Medicine of the University of Southern California, Los Angeles, CA, ³Children's Hospital New Orleans, New Orleans, LA, ⁴Boston Children's Hospital, Boston, MA, ⁵Duke University Medical Center, Ralleigh, NC, ⁶Children's Hospitals and Clinics of Minnesota, Minneapolis, MN, ⁷John's Hopkins School of Medicine, Baltimore, MD, ⁸Johns Hopkins All Children's Heart Institute, St. Petersburg, FL, ⁹New York University Robert F. Wagner Graduate School of Public Service, NEW YORK, NY

P9. Maintenance of Ductal Patency after Repair of Obstructed Total Anomalous Pulmonary Venous Connection
James Hammel, Ali Ibrahimiye, Kim Duncan
Children's Hospital and Medical Center, Omaha, NE

P10. Children and Young Adults after Ross and Ross-Konno Operation Have Impaired Ventricular Septal Function Associated with Aortic Stiffness
Michal Schäfer, Lorna Browne, MD, Max Mitchell, MD, David Campbell, MD, James Jaggers, MD
University of Colorado - Children's Hospital Colorado, Aurora, CO

P11. Medium-term Outcomes of Balloon Aortic Dilation and Surgical Aortic Valvotomy for Severe or Critical Neonatal Aortic Stenosis
Jeremy Herrmann, MD, Nicholas Zaban, MD, Mark Rodefeld, MD, Mark Turrentine, MD, Ryan Alexy, MD, John Brown, MD
Indiana University School of Medicine, Indianapolis, IN

P12. Results after Repair of D-Transposition of the Great Arteries with VSD and Left Ventricular Outflow Obstruction
Anna Olds, Yuki Nakamura, Stephanie Levasseur, Amee Shah, Lindsay Freud, Anjali Chelliah, Paul Chai, Jan Quaegebeur, Emile Bacha, David Kalfa
Columbia University Medical Center - NY Presbyterian Hospital, New York, NY

P13. Determining Geometric Predictors of Blood Flow Efficiency in the Tetralogy of Fallot Patient Population
Leslie Louvelle¹, Matthew Doyle¹, Glen Van Arsdell², Cristina Amon¹.
¹University of Toronto, Toronto, ON, Canada, ²Hospital for Sick Children, Toronto, ON, Canada

P14. Utilization of Gastrostomy Tubes in the Neonatal Population Undergoing Congenital Heart Surgery: Can We Devise a Risk Factor Model to Define Optimal Timing for Placement?
Kevin M. Beers, DO¹, S. Adil Husain, MD², Aaron Bettenhausen, MD¹, Thomas J. Prihoda, PhD^1
1University of Texas Health San Antonio, San Antonio, TX, USA, ²University of Utah Health, Salt Lake City, UT

P15. Descending Aortic Translocation and Right Pulmonary Artery Reimplantation for Midline Descending Aorta and Crossed Pulmonary Arteries in an Infant with Severe Pulmonary Hypertension and Left Bronchial Compression
Michael C. Monge, Amanda L. Hauck, MD, Andrada R. Popescu, MD, Joseph M. Forbess, MD, Carl L. Backer, MD
Ann & Robert H Lurie Childrens Hospital of Chicago, Chicago, IL

A12. The Cone Operation for Ebstein's Anomaly is Not Suitable for Every Infant
Christopher K. Knott-Craig, MD FACS, Umar Boston, MD, TK Susheel Kumar, MD
Le Bonheur Children's Hospital, Memphis, TN

A13. Challenging Case - VSD Device Removal
Brian Kogon
University of Mississippi Medical Center, Jackson, MS

A14. Coronary Artery Injury During Novel Mitral Annular Enlargement Procedure
Ashok Muralidaran, MD, Irving Shen, MD
Oregon Health & Science University, Portland, OR

A15. HLHS, Two Vads, Two Transplants
Carl L. Backer
Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA

A16. Mid-Term Outcomes After the Palliative Arterial Switch Operation in Neonates With Single-Ventricle Anatomy*
Christopher E. Greenleaf, MD, Carlos Mery, MD, Ziyad Binsalamah, MD, Jeffrey Heinle, MD
Texas Children's Hospital, Houston, TX
Discussant: David M. Overman

A17. Historian Report; Incremental CHSS History (2015-2018)
Constantine Mavroudis¹, James Kirklin, MD², William DeCampli, MD^3
1Florida Hospital for Children, Orlando, FL, ²University of Alabama School of Medicine, Birmingham, AL, ³Arnold Palmer Children's Hospital, Orlando, FL

A18. Reoperation Risk After Tetralogy Of Fallot Repair Is Dependent On Patient Characteristics Rather Than Surgical Technique*
Sara Hussain¹, Charis Tan², Ahmad Makhdoum³, Prisca Pondorfer⁴, Quazi Ibrahim⁵, Richard Whitlock¹, Yves D'Udekem², Glen Van Arsdell^4
1McMaster University, Hamilton, ON, Canada, ²Royal Children's Hospital, Victoria, Australia, ³University of Toronto, Toronto, ON, Canada, ⁴Hospital for Sick Children, Toronto, ON, Canada, ⁵Population Health Research Institute, Hamilton, ON, Canada

Discussant: Emile A. Bacha

A19. Does A Complete Extracorporeal Circulation Free Approach To Patients With Univentricular Hearts Leads To Superior Early Outcomes?
Sachin Talwar, Neeti Makhija, Vishnubhatla Sreenivas, Shiv Kumar Choudhary, Balram Airan
All India Institute of Medical Sciences, New Delhi, India

Discussant: Frank L. Hanley

A20. Blood is Thicker than Water - Strategies to Eliminate Troublesome Peri-operative Bleeding after Complex Neonatal Surgery
Christopher J. Knott-Craig, MD FACS, Jerry Allen, CCP, Kenneth Bayle, MD, Sarah Fahnhorst, MD, Michael Solimine, CCP, Andrew Schlesinger, CCP, Umar Boston, MD, TK Susheel Kumar, MD.
Le Bonheur Children's Hospital, Memphis, TN

A21. Hypoplastic Left Heart Variants Requiring Norwood Operation with Left Ventricular Exclusion
Kyle W. Riggs, MD, Benjamin Kroslowitz, Farhan Zafar, MD, Haleh Heydarian, MD, David L. S. Morales, MD
Cincinnati Children's Hospital, Cincinnati, OH

Discussant: Marshall L. Jacobs

A22. Revival Of The Reverse Potts Shunt; An Alternative To Maximum Medical Therapy In Supra-systemic Pulmonary Hypertension
Ali Ibrahimiye, James Hammel, Scott Fletcher
Childrens hospital and Medical Center Omaha, Omaha, NE

Discussant: Ryan R. Davies

A23. Use of Ultrasonic Flow Probe for Realtime Pulmonary Blood Flow Monitoring after Norwood Stage 1 Operation
Pranava Sinha, MD, Lok Sinha, Can Yerebakan, Richard Jonas
Children's National Medical Center, Washington, DC

Discussant: James S. Tweddell